Amazon EC2

Between 11:47 AM and 12:33 PM PDT we experienced degraded performance for some EBS volumes in the US-EAST-2 Region. During this time, some customers also experienced insufficient-data in the results from EC2 instance status checks. CloudWatch alarms may have transitioned into "INSUFFICIENT_DATA" state if set on the delayed metrics. EC2 instances operated normally during this time; only EC2 CloudWatch metrics were affected. The issue has been resolved and the service is operating normally.

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